Knife-blade holder



(No Model.)

E. H. Gom-13.3 ,4 KNIFE BLADE HQLDBR.` j No. 331,233. Patented Apr. 1.71333.v

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UNITED STATES 1P ATEN T .GEEK-3E. e

.EUGENE H. GoULn, OE BEvEELY, MASSACHUSETTS KNIFE-BLADE HOLDER.,

SPECIFICATION forming part of Letters Patent N o. 381,233', dated April 17, 1888.1 i i Application filed February 23, 1888. Serial No. 264,909. (No model.)

ToaZZ whom it may concern,.-

Be it knownv that I, EUGENE H. GoULD, a citizen of the United States, and a resident of Beverly, in the county of Essex and Stateof Massachusetts, have invented new and useful -Improvements in Knife-Blade Holders, of

' which the following, taken in connection with which means blades ofvarying widths can be held and firmly secured in place between the s grooved clamping-bars of the device and in such a manner thatsaidgrooved clampingbars shall be forced and held against opposite edges of the blade withequal pressure from one end to the other of ythe entire length of said clamping bars.

The device vis constructed as follows,` refer-l ence being had to the accompanying drawings, whereinf Figure 1 represents a side elevation of the invention. Fig. 2 represents a central longitudinal section of it; and Fig. 3 represents an edge view of the blade and the clamping mechanism; Fig. 4. represents a cross-section on the line A B, shown in Figs. 1 and 2. Similar letters refer to similar parts wher. ever they occur on `the different parts ofthe drawings.

' a is the handle, preferably made of Woodr and provided with an internal oblongopening, a', going completely through itfromone end to the other. "To one end of said handle is fitted the capped ferrule b, having an oblong slot in .its end in a line with the oblong opening a. in the handle.V Within the slotted handle alare located the internallygrooved clamping-bars c c, adaptedto receive theshank ofthe knife d, as shown. rIhe "clamping-bars have near their outer ends suitable cam projections, d c', which come in contact with the internal edges of the Lslotted ferrule '19, when the said' clamping-bars are drawn intothe handle, and thus cause thesaid bars to, be clamped firmly against opposite edges of the knife or blade So far the invention in construction and opvclamping-bars and the head f ofthescrewf.

Cummings, December 5,1865,4No.'51,297; but

it is essential that thc inner ends ofthe clamping-bars, as well as their entire length, should grasp and hold the blade equally firm with their outer ends, and kthat thesaid clamparound which isscrewed the usual nut, g, that f l' forms the rear end of the handle a, and iscapable of beingturned around itsaxis, as is usual in devices of this kind.

rIK-he operation of theinvention is as follows:`

By turning the nut g toward the left and press- 'y l' ing'it against the end of the handle, whilethe latter is held with one hand, thescrew f is forced inward, causing the clamping-bars c c to moveforward and allow them to expand .laterally during. their entire length by reason of f the pivoted links e e, that form an expansive the disengagement of'the cams c o from the edges in the slotted ferrulev b, combined with connection between the innerends of the said" The blade tobe used isthen inserted in the nut gis turned towardthe right, causingthe clampiugbars vare forced against oppositey edgesof the blade by the inuence of the cam` projections o c', and the slotted ferrule b, at` the same time as the inner ends of saidclamping-bars are automatically andl positively f of said blade d by the intiuenceof the ypivoted forced against oppositeedges of theinner end links e e, that connectsaid clamping-bars with the head of the screw f, yasshown in Fig. 2.

This ,device is very simple in construction,

positive in its action,and"wi1l cause the clamp-` 9 5 t Ving-bars to be automatically forced with equal pressure during their entirelengths against opposite edges of theblade, thus preventing the letterfrem werking loose w'vhiie the device l IOO is in use.

eration is similar to' that shown and described Y in the `Letters Patent kgranted `to Samuel A.

8o grooves of the clamping-bars, after which the screw f, pvoted in its linner end to the said links e e, as and for the purpose set forth.

In testimony whereof I have signed my name to this specification, in the presence of two subseribing,` Witnesses, on this 20th day of Februx5 ary, A. D. 1888.

EUGENE H. GOULD.

Witnesses:

ALBAN ANDREN. E. J. TORREY. 

